Slightly missing a school cutoff date, and a student's relative age in their cohort, have been shown in to have important effects. For example, a student's relative age appears related to academic performance in both primary and secondary school, though how far into life relative age effects...

Professional internships during college are a popular and often highly promoted activity among students. A major issue with estimating the impacts of these programs is that students often take time away from their classes to participate, and gaps in college tenure are thought or have been shown...